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12 lines
194 B
Bash
Executable File
12 lines
194 B
Bash
Executable File
#!/usr/bin/bash
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if [[ -z "$1" ]]; then
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mapfile cmds < /dev/stdin
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else
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mapfile cmds < "$1"
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fi
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for cmd in "${cmds[@]}"; do
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[[ $cmd =~ ^x_[_a-zA-Z0-9]* ]] && echo "${BASH_REMATCH[0]}"
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done
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